COXEM EM-30PLUS - Page 111

Scanning Electron Microscope EM-30PLUS Operating Manual
111
3. Position Changing of Aperture Holes
If you want to change aperture holes, select a hole among the lines indicated on knob by
pulling the control knob.
1
st
Stage (D)
2
nd
Stage (C)
3
rd
Stage (B)
4
th
Stage (A)
5
th
Stage
Hole = 30um
Hole = 50um
Hole = 100um
Hole = 200um
Pull as much as
possible